Quint'an1, a.
a. [Lat. quintanus, from quintus, fifth, quinque, five.] Occurring as the fifth, after four others; also, occurring once in five days, or every fifth day; as, a quintan fever. Dunglison.
2 entries under this word
Quintan
Quint'an2, n.
n. (Med.) A fever the paroxysms of which return every fifth day.